summaryrefslogtreecommitdiffstats
path: root/target/linux
diff options
context:
space:
mode:
authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-11-14 11:49:53 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-11-14 11:49:53 +0000
commit2f0405019f0159ed4498363e19a74b46f703e097 (patch)
tree75932dd0dd69937ccc2ecf669c9dd03d003cb0d9 /target/linux
parentc86a746eceb25fd0090fb8d25260c98c7d49f8c4 (diff)
ar71xx: flush DDR writeback buffers for WMAC and PCIe on AR934X
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29108 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/irq.c12
-rw-r--r--target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h1
2 files changed, 7 insertions, 6 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
index 7165ca97d..c4297d399 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
@@ -239,14 +239,15 @@ static void ar934x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc)
status = ar71xx_reset_rr(AR934X_RESET_REG_PCIE_WMAC_INT_STATUS);
- if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL)
+ if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL) {
+ ar71xx_ddr_flush(AR934X_DDR_REG_FLUSH_PCIE);
generic_handle_irq(AR934X_IP2_IRQ_PCIE);
-
- else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL)
+ } else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) {
+ ar71xx_ddr_flush(AR934X_DDR_REG_FLUSH_WMAC);
generic_handle_irq(AR934X_IP2_IRQ_WMAC);
-
- else
+ } else {
spurious_interrupt();
+ }
enable_irq(irq);
}
@@ -297,7 +298,6 @@ static void ar933x_ip2_handler(void)
static void ar934x_ip2_handler(void)
{
- ar71xx_ddr_flush(AR934X_DDR_REG_FLUSH_PCIE);
do_IRQ(AR71XX_CPU_IRQ_IP2);
}
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
index fe2d9a32b..4068e9110 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
@@ -533,6 +533,7 @@ void ar71xx_gpio_function_setup(u32 set, u32 clear);
#define AR934X_DDR_REG_FLUSH_GE1 0xa0
#define AR934X_DDR_REG_FLUSH_USB 0xa4
#define AR934X_DDR_REG_FLUSH_PCIE 0xa8
+#define AR934X_DDR_REG_FLUSH_WMAC 0xac
#define PCI_WIN0_OFFS 0x10000000